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 ###Instrução: Qual é a taxa de achatamento associada ao diâmetro equatorial de 49.528 km?
 ###Tabelas: CREATE TABLE other_celestial_bodies (other_celestial_bodies_id AUTO_INCREMENT PRIMARY KEY, Body VARCHAR, Equatorial diameter VARCHAR, Polar diameter VARCHAR, Equatorial bulge VARCHAR, Flattening ratio VARCHAR) CREATE TABLE principal_roles_and_cast_members (principal_roles_and_cast_members_id AUTO_INCREMENT PRIMARY KEY, Character VARCHAR, Original Manchester Performer VARCHAR, Original West End Performer VARCHAR, Original Broadway Performer VARCHAR, Original UK Tour Performer VARCHAR, Original Non-Equity US Tour Performer VARCHAR, Original Italian Tour Performer VARCHAR, Original South Korean Performer VARCHAR) CREATE TABLE teen_edition_housemates (teen_edition_housemates_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Home or representative town or province VARCHAR, Age INT, Edition VARCHAR, Total days in PBB House INT, Duration VARCHAR, Status VARCHAR) CREATE TABLE championship_of_tunisia (championship_of_tunisia_id AUTO_INCREMENT PRIMARY KEY, Season INT, Years VARCHAR, Final Standing INT, Points INT, Top Goal Scorer VARCHAR) CREATE TABLE contracts (contracts_id AUTO_INCREMENT PRIMARY KEY, Nat. VARCHAR, Name VARCHAR, Status VARCHAR, Contract length VARCHAR, Expiry date INT, Source VARCHAR)  
SELECT Flattening ratio FROM other_celestial_bodies WHERE Equatorial diameter = 49,528km